EP 4285962 A1 20231206 - NEEDLE-FREE INJECTOR BASED ON UNDERWATER DISCHARGE USING SHOCK WAVE
Title (en)
NEEDLE-FREE INJECTOR BASED ON UNDERWATER DISCHARGE USING SHOCK WAVE
Title (de)
NADELLOSER INJEKTOR AUF BASIS VON UNTERWASSERENTLADUNG MIT STOSSWELLEN
Title (fr)
INJECTEUR SANS AIGUILLE BASÉ SUR UNE DÉCHARGE SOUS L'EAU À L'AIDE D'UNE ONDE DE CHOC
Publication
Application
Priority
- KR 20210010546 A 20210126
- KR 2021018815 W 20211210
Abstract (en)
A needle-free injector based on underwater discharge using a shock wave according to an embodiment of the present invention comprises: a pressure chamber in which a driving fluid is stored; a medicine chamber communicating with the pressure chamber to store medicine; a pressure transmitting unit interposed between the pressure chamber and the medicine chamber to apply propulsion pressure to the medicine stored in the medicine chamber, when a volume of the pressure chamber is expanded; an injecting unit provided at one side of the medicine chamber to discharge the medicine; and an electrode unit to expand the volume of the pressure chamber, by generating bubbles in the driving fluid stored in the pressure chamber and causing break down.
IPC 8 full level
CPC (source: EP KR US)
A61M 5/20 (2013.01 - EP); A61M 5/2053 (2013.01 - EP US); A61M 5/30 (2013.01 - EP US); A61M 5/3007 (2013.01 - KR); A61M 5/3015 (2013.01 - KR); A61M 5/31576 (2013.01 - EP US); A61M 39/24 (2013.01 - EP US); A61M 2205/82 (2013.01 - US); A61M 2205/8218 (2013.01 - KR)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
US 2023347060 A1 20231102; CN 116669794 A 20230829; EP 4285962 A1 20231206; EP 4285962 A4 20240724; KR 102521031 B1 20230412; KR 102575195 B1 20230906; KR 102629232 B1 20240125; KR 102663321 B1 20240503; KR 20220107660 A 20220802; KR 20230050305 A 20230414; KR 20230129357 A 20230908; KR 20240014085 A 20240131; WO 2022164016 A1 20220804
DOCDB simple family (application)
US 202318350292 A 20230711; CN 202180085126 A 20211210; EP 21923422 A 20211210; KR 20210010546 A 20210126; KR 2021018815 W 20211210; KR 20230045229 A 20230406; KR 20230115906 A 20230901; KR 20240006145 A 20240115